Toothbrush



FIG. 1 is a top exploded perspective view of a toothbrush, showing my new design.

FIG. 2 is a bottom exploded perspective view thereof.

FIG. 3 is a sectional view taken along the lines 3--3 of FIG. 2.

FIG. 4 is a sectional view taken along the lines 4--4 of FIG. 2. 

The ornamental design for a toothbrush, as shown and described. 